611918964043 has 8 divisors (see below), whose sum is σ = 660138994368. Its totient is φ = 565057244544.

The previous prime is 611918963987. The next prime is 611918964091. The reversal of 611918964043 is 340469819116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611918964043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611918964343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339576771 + ... + 339578572.

It is an arithmetic number, because the mean of its divisors is an integer number (82517374296).

Almost surely, 2^611918964043 is an apocalyptic number.

611918964043 is a deficient number, since it is larger than the sum of its proper divisors (48220030325).

611918964043 is a wasteful number, since it uses less digits than its factorization.

611918964043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679155413.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 611918964043 in words is "six hundred eleven billion, nine hundred eighteen million, nine hundred sixty-four thousand, forty-three".